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1183 Commits

Author SHA1 Message Date
Deirdre Connolly 52a10d2837 Add note about whether sign checks in Amount -> Fr conversion matter 
Co-authored-by: Henry de Valence <hdevalence@hdevalence.ca>
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 75cad3bb0a Impl TryFrom's for Diversifier and use those to construct Sapling NoteCommitments 2020-08-14 02:04:12 -04:00
Deirdre Connolly c8771ef620 Defer to From/Into [u8; 32] vs Zcash(De)Serialize for sprout::NoteCommitments 2020-08-14 02:04:12 -04:00
Deirdre Connolly 619afffa16 Use convenience Reader/Writer methods to only use From/Into for nullifer serialization 
And thus remove duplicative Zcash(De)Serialization impls
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 13b6ff1c65 Add 32byte and 64 bytes convenience writer methods to WriteExt 2020-08-14 02:04:12 -04:00
Deirdre Connolly e8fdd0e1f3 Impl TryFrom for Commitments, call from impl ZcashDeserialize 2020-08-14 02:04:12 -04:00
Deirdre Connolly 5d13880461 Remove Zcash(De)Serialize impls for *Commitments 2020-08-14 02:04:12 -04:00
Deirdre Connolly 014afd8e4a Move Pedersen hash functions to their own submodule 2020-08-14 02:04:12 -04:00
Deirdre Connolly be7ea200c8 Accept an Amount<NonNegative> for the value arg of a ValueCommitment constructor 2020-08-14 02:04:12 -04:00
Deirdre Connolly e024e43896 Support nullifier derivation from borrowed Spending, NullifierDeriving keys 2020-08-14 02:04:12 -04:00
Deirdre Connolly 40b5a73a15 impl From<&NullifierDerivingKey>, use that to derive Sapling Nullifier 2020-08-14 02:04:12 -04:00
Deirdre Connolly a8625b7b84 Remove empty doc comment 2020-08-14 02:04:12 -04:00
Deirdre Connolly a3530b0eed Move pedersen_hash() to go with the other Sapling hash functions, for now 2020-08-14 02:04:12 -04:00
Deirdre Connolly 0242df30cb A space 2020-08-14 02:04:12 -04:00
Deirdre Connolly 9d9491c4e8 Index at 1, not 0, the main loop of PedersenHashToPoint, to match spec math 2020-08-14 02:04:12 -04:00
Deirdre Connolly e5c07721b4 Typo fix 
Co-authored-by: Henry de Valence <hdevalence@hdevalence.ca>
 2020-08-14 02:04:12 -04:00
Deirdre Connolly ca81e48843 Remove an extra line 2020-08-14 02:04:12 -04:00
Deirdre Connolly 60ae9d74e7 Typo 
Co-authored-by: Henry de Valence <hdevalence@hdevalence.ca>
 2020-08-14 02:04:12 -04:00
Deirdre Connolly fe45c6402a Remove clippy::unit_arg allowance 2020-08-14 02:04:12 -04:00
Deirdre Connolly 2942bad6ff Make diversify_hash() private again 2020-08-14 02:04:12 -04:00
Deirdre Connolly 5a249f8da5 A space 
Co-authored-by: Henry de Valence <hdevalence@hdevalence.ca>
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 5ba453c2a1 Remove unused SaplingNoteTreeRootHash types re: Heartwood 2020-08-14 02:04:12 -04:00
Deirdre Connolly 68871c5bd4 From<Nullifier> for [u8; 32] 2020-08-14 02:04:12 -04:00
Deirdre Connolly b2584c4a8f A space 2020-08-14 02:04:12 -04:00
Deirdre Connolly 0c299972ec Clarify docstring about the Jubjub prime-order subgroup on generate_trapdoor() 2020-08-14 02:04:12 -04:00
Deirdre Connolly f816761a5c The pedersen hash to point test vectors now pass 2020-08-14 02:04:12 -04:00
Deirdre Connolly 425275ad35 Fix exclusive range, shift up enumerate() indexes with map() 2020-08-14 02:04:12 -04:00
Deirdre Connolly be22ef64e5 At least fewer M_i() rounds for test cases 2020-08-14 02:04:12 -04:00
Deirdre Connolly 41c8076dab Add test vectors that aren't being consumed right now 2020-08-14 02:04:12 -04:00
Deirdre Connolly 14d502a54b Compute pedersen hash to point in scalar field 2020-08-14 02:04:12 -04:00
Deirdre Connolly 8ececebea7 A space 
Co-authored-by: teor <teor@riseup.net>
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 3b01dc50ef Use unicode scalar field characters instead of LaTeX 
Co-authored-by: Daira Hopwood <daira@jacaranda.org>
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 1d494a2b7a Docstring wrap 2020-08-14 02:04:12 -04:00
Deirdre Connolly e22afa3c8f Generate uniformly random scalar w/ Fr::from_bytes_wide() 
Which reduces mod r always.
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 8f15ed8140 Cargo.lock 2020-08-14 02:04:12 -04:00
Deirdre Connolly c46cda920f Add primitive merkle_crh_sapling function 2020-08-14 02:04:12 -04:00
Deirdre Connolly 10a9aa5844 Add prf_nf and use in From impl to derive Sapling Nullifier 2020-08-14 02:04:12 -04:00
Deirdre Connolly eb731a6e2f Add note commitment tree Position type 2020-08-14 02:04:12 -04:00
Deirdre Connolly 65f8f2c613 Add mixing_pedersen_hash 
Tidy constructors for NoteCommitment
 2020-08-14 02:04:12 -04:00
Deirdre Connolly ed888b38ef Correctly generate a sapling NoteCommitment from the NoteCommitmentRandomness 2020-08-14 02:04:12 -04:00
Deirdre Connolly b6385ca36f Move commitment types into commitments module 
Docs, tidy
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 4ccec84768 Add explicit pedersen_hash function 2020-08-14 02:04:12 -04:00
Deirdre Connolly 83c41869e1 Improve docs 2020-08-14 02:04:12 -04:00
Deirdre Connolly caef323f9b pedersen_hash_to_point() works, with submethods using bitvec 
Also tidy, document
 2020-08-14 02:04:12 -04:00
Deirdre Connolly ada3066e14 Fix rebase conflict artifacts 2020-08-14 02:04:12 -04:00
Deirdre Connolly 919557c20c My BitSlice doesn't have a known size at compile time? 
error[E0277]: the size for values of type  cannot be known at compilation time
 2020-08-14 02:04:12 -04:00
Deirdre Connolly 579f1ed134 Flesh out windowed_pedersen_commitment_r 2020-08-14 02:04:12 -04:00
Deirdre Connolly 9d87f30d18 Start of, but currently unfinished, Sapling note commitment / Windowed Pedersen Commitment 2020-08-14 02:04:12 -04:00
Deirdre Connolly f64e0c4bc5 Sapling value commitment, half done Sapling note commitment 2020-08-14 02:04:12 -04:00
Deirdre Connolly 823b06b219 Break out subtypes into modules, including arbitrary's 2020-08-14 02:04:12 -04:00